Failure of corynebacterium parvum presensitization to modify the antitumor effects of systemic and local therapeutic injections of c. Parvum in mice.

: The therapeutic effects of iv and intralesional injection of Corynebacterium parvum against mastocytoma P815 in mice, presentized and showing marked delayed hypersensitivity to C. parvum, were no different from those in unimmunized controls.